Big Shannon Island is a Island located in Manitoba.

• Latitude: 53° 5' 53'' North   (decimal: 53.0981000)
• Longitude: 100° 28' 19'' West   (decimal: -100.4718999)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Manitoba
• Atlas of Canada Locator Map: Big Shannon Island
• GPS Coordinate Locator Map: Big Shannon Island Lat/Long